ETH Price: $3,384.30 (+0.81%)

Token

Belladonna of Sadness (Bella)
 

Overview

Max Total Supply

792 Bella

Holders

301

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A
Balance
2 Bella
0x492ba0a6aa860ec1fedb28e62acea3e611e8f3ca
Loading...
Loading
Loading...
Loading
Loading...
Loading

Click here to update the token information / general information
# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
BellaNFT

Compiler Version
v0.8.18+commit.87f61d96

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 8 : Bella.sol
// SPDX-License-Identifier: MIT
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import { ERC721A } from "./ERC721A.sol";
import { Ownable } from "./Ownable.sol";

pragma solidity >=0.8.17 <0.9.0;

error IsNotTokenOwnerNorApproved();
error AlreadyClaim();
error CallerIsContract();
error CannotMintFromContract();
error InsufficientFunds();
error InvalidMintAmount();
error InvalidMintPriceChange();
error InvalidAllowAddress();
error InvalidWithdrawalAmount();
error MintAmountExceedsSupply();
error MintAmountFreeExceedsSupply();
error WithdrawalFailed();
error InvalidMerkleProof();
error MintAmountExceedsUserAllowance();
error InvalidSignature();
error InvalidSignerAddress();
error InvalidNumber();
error AllowMintInsufficient();
error PublicMintInsufficient();

contract BellaNFT is ERC721A, Ownable {
    event SetPublicPrice(
        uint indexed Price
    );
    event SetWlPrice(
        uint  indexed Price
    );

     event SetURI(
        string indexed uri
    );
    event MintedCounters(
        address indexed wallet,
        uint48 indexed amount,
        uint indexed channel
    );
    event SetAllowAddress(
        address indexed allowAddress
    );

    event SalesPhaseChanged(
        uint8 indexed newPhase
    );
    event Burn(
        uint256 indexed tokenId
    );
    event Withdraw(
        uint256 indexed amount,
        address indexed to
    );
    event SetApprovalTime(
        uint indexed time
    );
    event SetMerkleRoot(
        bytes32 indexed root
    );
    event SetSignerAddress(
        address indexed signer
    );

    event SetAllowSupply(
        uint256 indexed max
    );
    event SetPublicSupply(
        uint256 indexed max
    );

    uint256 public constant MAX_SUPPLY = 1800;
    uint public constant PUBLIC_CHANNEL =0;
    uint public constant ALLOW_CHANNEL =1;
    uint256 public MAX_ALLOW_SUPPLY = 1700;
    uint256 public MAX_PUBLIC_SUPPLY =100;
    uint256 public  PUBLIC_PRICE = 0.0002 ether;
    uint256 public  ALLOW_LIST_PRICE = 0.0001 ether;
    uint48 public SUPPLY = 0;
    uint48 public ALLOW_SUPPLYED =0;
    uint48 public PUBLIC_SUPPLYED =0;
    uint48 public constant SECTION_BITMASK = 15;
    uint48 public DEV_LIMIT =1700;
    uint48 public PUBLIC_LIMIT =2;
    string public METADATA_URL;
    uint8 public ALLOW_LIMIT =2;
    uint public SELL_END_TIME;
    uint public SELL_START_TIME;
    address private SIGNER;
    constructor(uint _sellEndTime,//sell end time 
    uint _approveStartTime, // approve start time 
    uint _sellStartTime,//sell start time
    address _signer, //signer
    string memory _uri //metadatauri
    ) ERC721A("Belladonna of Sadness", "Bella"){
        SELL_END_TIME = _sellEndTime;
        SIGNER = _signer;
        SELL_START_TIME =_sellStartTime;
        _setApprovedStartTime(_approveStartTime);
        METADATA_URL = _uri;
    }

    //modifiers
    modifier callerIsUser() {
        if (tx.origin != msg.sender) revert CallerIsContract();
        _;
    }
    modifier mintPublic(uint48 _mintAmount) {
        require(
            SUPPLY + _mintAmount <= MAX_SUPPLY,
            "Max supply exceeded!"
        );
        _;
    }
    function whitelistMint(uint48 _mintAmount, bytes memory signature)
        external
        payable
        callerIsUser
        mintPublic(_mintAmount)
    {   
        require((getDate()<SELL_END_TIME),"timeout");
        require(_mintAmount!=0,"zero mint");
        require((ALLOW_SUPPLYED +_mintAmount <= MAX_ALLOW_SUPPLY),"MAX_ALLOW_SUPPLY");

        bytes32 x = keccak256(abi.encodePacked(msg.sender));
        require((ECDSA.recover(x, signature) == SIGNER),"error sign"); 

        uint64 userAux = _getAux(msg.sender);
        uint64 allowlistMinted = (userAux >> 4) & SECTION_BITMASK;
        require((allowlistMinted + _mintAmount <= ALLOW_LIMIT),"MintAmountExceedsUserAllowance");
        require((msg.value >= _mintAmount * ALLOW_LIST_PRICE),"InsufficientFunds");

        uint64 updatedAux = userAux + (_mintAmount << 4);
        _setAux(msg.sender, updatedAux);
        SUPPLY += _mintAmount;
        allowlistMinted+=_mintAmount;
        _mint(msg.sender, _mintAmount);

        emit MintedCounters(msg.sender,_mintAmount,ALLOW_CHANNEL);
    }


    function publicMint(uint48 _mintAmount)
        external
        payable
        callerIsUser
        mintPublic(_mintAmount)
    {
        require((getDate()>SELL_START_TIME),"not start");
        require(_mintAmount!=0,"zero mint");
        require((_mintAmount <= PUBLIC_LIMIT),"limit mint");
        if (getDate()<SELL_END_TIME){
            require((PUBLIC_SUPPLYED +_mintAmount <= MAX_PUBLIC_SUPPLY),"PublicMintInsufficient");
        }
        require((msg.value >= _mintAmount * PUBLIC_PRICE),"InsufficientFunds");
        SUPPLY += _mintAmount;
        PUBLIC_SUPPLYED+= _mintAmount;
        _mint(msg.sender, _mintAmount);
        emit MintedCounters(msg.sender,_mintAmount,PUBLIC_CHANNEL);
    }

    // onlyOwner functions

    function devMint(address _to, uint48 _numberOfTokens)
        external 
        onlyOwner 
    {   
        if (_numberOfTokens > DEV_LIMIT) revert MintAmountExceedsSupply();
        if (SUPPLY + _numberOfTokens > MAX_SUPPLY) revert MintAmountExceedsSupply();
        _mint(_to, _numberOfTokens);
        SUPPLY += _numberOfTokens;
    }
    function setSigner(address _signer)
        external
        onlyOwner
    {
            if (_signer == address(0)) revert InvalidSignerAddress();
            SIGNER = _signer;
            emit SetSignerAddress(_signer);
    }

   
    function setMaxAllowSupply(uint256 _max)
    external
    onlyOwner{
        if (_max==0) revert InvalidNumber();
        if (_max>ALLOW_SUPPLYED) revert InvalidNumber();
        MAX_ALLOW_SUPPLY = _max;
        emit SetAllowSupply(_max);
    }

    
    function setMaxPublicSupply(uint256 _max)
    external
    onlyOwner{
        if (_max==0) revert InvalidNumber();
        if (_max>PUBLIC_SUPPLYED) revert InvalidNumber();
        MAX_PUBLIC_SUPPLY = _max;
        emit SetPublicSupply(_max);
    }

    function setURI(string calldata _uri) 
        external 
        onlyOwner 
    {
        METADATA_URL = _uri;
        emit SetURI(_uri);
    }


    function setPublicMintPrice(uint _mintPrice) 
        external 
        onlyOwner 
    {
        if (_mintPrice < 0.0001 ether) revert InvalidMintPriceChange();
        PUBLIC_PRICE = _mintPrice;
        emit SetPublicPrice(_mintPrice);
    }
  
    function setWlMintPrice(uint _mintPrice) 
        external 
        onlyOwner 
    {
        if (_mintPrice < 0.0001 ether) revert InvalidMintPriceChange();
        ALLOW_LIST_PRICE = _mintPrice;
        emit SetWlPrice(_mintPrice);
    }
    function setStartTime(uint _time) 
        external 
        onlyOwner 
    {
        SELL_START_TIME = _time;
    }
    function setEndTime(uint _time) 
        external 
        onlyOwner 
    {
        SELL_END_TIME = _time;
    }
 
    //
    function withdraw(uint256 _amount, address _to) 
        external 
        onlyOwner 
    {
        uint256 contractBalance = address(this).balance;
        if (contractBalance < _amount) revert InvalidWithdrawalAmount();

        (bool success,) = payable(_to).call{value: _amount}("");
        emit Withdraw(_amount,_to);
        if (!success) revert WithdrawalFailed();
    }
    //publice function

    function burn(uint256 _tokenId) 
        external   
    {
        if(!_isApprovedOrOwner(_msgSender(), _tokenId)) revert IsNotTokenOwnerNorApproved();
        _burn(_tokenId, true);
        emit Burn(_tokenId);
    }

    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        address owner = ERC721A.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);
    }

    function getApprovedStartTime()
        public
        view
    returns(uint){
        return _getApprovedStartTime();
    }
    function numberMinted(address owner) 
        public 
        view 
        returns (uint256) 
    {
        return _numberMinted(owner);
    }
    function numberMintedWhiteList(address owner) 
        public 
        view 
        returns (uint64) 
    {
        return (_getAux(owner) >> 4) & SECTION_BITMASK;
    }
    function _baseURI() 
        internal 
        view 
        virtual 
        override 
        returns (string memory) 
    {
        return METADATA_URL;
    }
}

File 2 of 8 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "./Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 3 of 8 : ERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;
    
   

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

 // the time of the approved start time 
    uint private  _APPROVED_START_TIME = 0;
    // The next token ID to be minted.
    uint256 private _currentIndex;

    // The number of tokens burned.
    uint256 private _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned.
    // See {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

    // Mapping owner address to address data.
    //
    // Bits Layout:
    // - [0..63]    `balance`
    // - [64..127]  `numberMinted`
    // - [128..191] `numberBurned`
    // - [192..255] `aux`
    mapping(address => uint256) private _packedAddressData;

    // Mapping from token ID to approved address.
    mapping(uint256 => TokenApprovalRef) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }
    function getDate() internal view returns(uint){
        uint time = block.timestamp;
        return(time);
    }

    function _setApprovedStartTime(uint time) internal virtual{
        _APPROVED_START_TIME = time;
    }

    function _getApprovedStartTime()internal view returns (uint){
        return _APPROVED_START_TIME;
    }
    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

    /**
     * @dev Returns the starting token ID.
     * To change the starting token ID, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * @dev Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view virtual returns (uint256) {
        // Counter underflow is impossible as `_currentIndex` does not decrement,
        // and it is initialized to `_startTokenId()`.
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
    }

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        if (getDate()<_APPROVED_START_TIME){
            revert CanNotApproval();
        }
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (getDate()<_APPROVED_START_TIME){
            revert CanNotApproval();
        }
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // We can directly increment and decrement the balances.
            --_packedAddressData[from]; // Updates: `balance -= 1`.
            ++_packedAddressData[to]; // Updates: `balance += 1`.

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token IDs
     * are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token IDs
     * have been transferred. This includes minting.
     * And also called after one token has been burned.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
            bytes4 retval
        ) {
            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

File 4 of 8 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

File 5 of 8 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 6 of 8 : IERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    error CanNotApproval();
    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables
     * (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`,
     * checking first that contract recipients are aware of the ERC721 protocol
     * to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move
     * this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom}
     * whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external payable;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

File 7 of 8 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

File 8 of 8 : Math.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"uint256","name":"_sellEndTime","type":"uint256"},{"internalType":"uint256","name":"_approveStartTime","type":"uint256"},{"internalType":"uint256","name":"_sellStartTime","type":"uint256"},{"internalType":"address","name":"_signer","type":"address"},{"internalType":"string","name":"_uri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"CallerIsContract","type":"error"},{"inputs":[],"name":"CanNotApproval","type":"error"},{"inputs":[],"name":"InvalidMintPriceChange","type":"error"},{"inputs":[],"name":"InvalidNumber","type":"error"},{"inputs":[],"name":"InvalidSignerAddress","type":"error"},{"inputs":[],"name":"InvalidWithdrawalAmount","type":"error"},{"inputs":[],"name":"IsNotTokenOwnerNorApproved","type":"error"},{"inputs":[],"name":"MintAmountExceedsSupply","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"WithdrawalFailed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"wallet","type":"address"},{"indexed":true,"internalType":"uint48","name":"amount","type":"uint48"},{"indexed":true,"internalType":"uint256","name":"channel","type":"uint256"}],"name":"MintedCounters","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint8","name":"newPhase","type":"uint8"}],"name":"SalesPhaseChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"allowAddress","type":"address"}],"name":"SetAllowAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"max","type":"uint256"}],"name":"SetAllowSupply","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"time","type":"uint256"}],"name":"SetApprovalTime","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"root","type":"bytes32"}],"name":"SetMerkleRoot","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"Price","type":"uint256"}],"name":"SetPublicPrice","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"max","type":"uint256"}],"name":"SetPublicSupply","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"signer","type":"address"}],"name":"SetSignerAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"string","name":"uri","type":"string"}],"name":"SetURI","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"Price","type":"uint256"}],"name":"SetWlPrice","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"ALLOW_CHANNEL","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ALLOW_LIMIT","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ALLOW_LIST_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ALLOW_SUPPLYED","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEV_LIMIT","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_ALLOW_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_PUBLIC_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"METADATA_URL","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUBLIC_CHANNEL","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUBLIC_LIMIT","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUBLIC_PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PUBLIC_SUPPLYED","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SECTION_BITMASK","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SELL_END_TIME","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SELL_START_TIME","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SUPPLY","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint48","name":"_numberOfTokens","type":"uint48"}],"name":"devMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getApprovedStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"numberMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"numberMintedWhiteList","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint48","name":"_mintAmount","type":"uint48"}],"name":"publicMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_time","type":"uint256"}],"name":"setEndTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_max","type":"uint256"}],"name":"setMaxAllowSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_max","type":"uint256"}],"name":"setMaxPublicSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"name":"setPublicMintPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_time","type":"uint256"}],"name":"setStartTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"name":"setWlMintPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint48","name":"_mintAmount","type":"uint48"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_to","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000000000000000000000000000000000063eeed740000000000000000000000000000000000000000000000000000000063facaf40000000000000000000000000000000000000000000000000000000063eaf8f40000000000000000000000000be1a47ada1a649ffae7f3927afd10568297a7a800000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _sellEndTime (uint256): 1676602740
Arg [1] : _approveStartTime (uint256): 1677380340
Arg [2] : _sellStartTime (uint256): 1676343540
Arg [3] : _signer (address): 0x0bE1a47adA1A649FFae7f3927aFD10568297A7A8
Arg [4] : _uri (string):

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000063eeed74
Arg [1] : 0000000000000000000000000000000000000000000000000000000063facaf4
Arg [2] : 0000000000000000000000000000000000000000000000000000000063eaf8f4
Arg [3] : 0000000000000000000000000be1a47ada1a649ffae7f3927afd10568297a7a8
Arg [4] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [6] : 2000000000000000000000000000000000000000000000000000000000000000


Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.